[4] | 1 | /**
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| 2 | * cf_thread.c
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| 3 | */
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| 4 | #include "cf_thread.h"
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| 5 | #include "cf_local.h"
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| 6 |
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| 7 | #include <stdlib.h>
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| 8 |
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| 9 | #ifdef _WIN32
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| 10 | # include <windows.h>
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| 11 | # include <process.h>
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| 12 | # define THREAD_TYPE HANDLE
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| 13 | # define MUTEX_TYPE HANDLE
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| 14 | #else // #ifdef _WIN32
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| 15 | # include <pthread.h>
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| 16 | # define THREAD_TYPE pthread_t
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| 17 | # define MUTEX_TYPE pthread_mutex_t
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| 18 | #endif // #ifdef _WIN32
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| 19 |
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| 20 | #define CHECK_INVALID_THREAD(__h) \
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| 21 | if (__h == NULL) \
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| 22 | return CF_ERROR_THREAD_INVALID_ARGS
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| 23 |
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| 24 | #define CHECK_INVALID_MUTEX(__h) \
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| 25 | if (__h == NULL) \
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| 26 | return CF_ERROR_MUTEX_INVALID_ARGS
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| 27 |
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| 28 | int
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| 29 | CF_CLOSE_CTX (void * ctx)
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| 30 | {
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| 31 | #ifdef _WIN32
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| 32 | CloseHandle (ctx);
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| 33 | #else
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| 34 | free (ctx);
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| 35 | #endif
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| 36 |
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| 37 | return CF_OK;
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| 38 | }
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| 39 |
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| 40 | int
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| 41 | CF_Thread_Create (CF_Thread * threadID,
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| 42 | CF_THREAD_RETURN callback,
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| 43 | void * arg)
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| 44 | {
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| 45 | int result = 0;
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| 46 |
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| 47 | TRY
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| 48 | {
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| 49 | #ifdef _WIN32
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| 50 | *threadID = (THREAD_TYPE) _beginthreadex (0, 0, callback, arg, 0, 0);
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| 51 | if (*threadID == NULL)
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| 52 | result = -1;
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| 53 | #else
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| 54 | *threadID = (THREAD_TYPE *) calloc (sizeof (THREAD_TYPE), 1);
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| 55 | if (*threadID == NULL)
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| 56 | {
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| 57 | result = -2;
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| 58 | TRY_BREAK;
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| 59 | }
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| 60 |
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| 61 | result = pthread_create ((THREAD_TYPE *) *threadID, NULL, callback, arg);
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| 62 | #endif
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| 63 | }
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| 64 | CATCH_IF (result < 0)
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| 65 | {
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| 66 | return CF_ERROR_THREAD_CREATE;
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| 67 | }
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| 68 |
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| 69 | return CF_OK;
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| 70 | }
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| 71 |
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| 72 | int
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| 73 | CF_Thread_Release (CF_Thread * threadID)
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| 74 | {
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| 75 | CHECK_INVALID_THREAD (*threadID);
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| 76 |
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| 77 | CF_CLOSE_CTX (*threadID);
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| 78 |
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| 79 | return CF_OK;
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| 80 | }
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| 81 |
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| 82 | int
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| 83 | CF_Thread_Join (CF_Thread * threadID)
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| 84 | {
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| 85 | CHECK_INVALID_THREAD (*threadID);
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| 86 |
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| 87 | #ifdef _WIN32
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| 88 | WaitForSingleObject ((THREAD_TYPE) *threaID, INFINITE);
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| 89 | #else
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| 90 | int status;
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| 91 | pthread_join (*((THREAD_TYPE *) *threadID), (void *)&status);
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| 92 | #endif
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| 93 |
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| 94 | return CF_OK;
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| 95 | }
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| 96 |
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| 97 | int
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| 98 | CF_Mutex_Create (CF_Mutex * mutex)
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| 99 | {
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| 100 | int result = 0;
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| 101 |
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| 102 | TRY
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| 103 | {
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| 104 | #ifdef _WIN32
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| 105 | *mutex = (MUTEX_TYPE) CreateMutexA (NULL, FALSE, NULL);
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| 106 | if (*mutex == NULL)
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| 107 | {
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| 108 | result = -1;
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| 109 | TRY_BREAK;
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| 110 | }
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| 111 | #else
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| 112 | *mutex = (MUTEX_TYPE *) calloc (sizeof (MUTEX_TYPE), 1);
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| 113 | if (*mutex == NULL)
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| 114 | {
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| 115 | result = -2;
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| 116 | TRY_BREAK;
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| 117 | }
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| 118 |
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| 119 | result = pthread_mutex_init (*mutex, NULL);
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| 120 | #endif
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| 121 | }
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| 122 | CATCH_IF (result < 0)
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| 123 | {
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| 124 | return CF_ERROR_MUTEX_CREATE;
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| 125 | }
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| 126 |
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| 127 | return CF_OK;
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| 128 | }
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| 129 |
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| 130 | int
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| 131 | CF_Mutex_Destory (CF_Mutex * mutex)
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| 132 | {
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| 133 | CHECK_INVALID_MUTEX (*mutex);
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| 134 |
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| 135 | CF_CLOSE_CTX (*mutex);
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| 136 |
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| 137 | return CF_OK;
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| 138 | }
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| 139 |
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| 140 | int
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| 141 | CF_Mutex_Lock (CF_Mutex * mutex)
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| 142 | {
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| 143 | CHECK_INVALID_MUTEX (*mutex);
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| 144 |
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| 145 | #ifdef _WIN32
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| 146 | WaitForSingleObject ((MUTEX_TYPE) *mutex, INFINITE);
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| 147 | #else
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| 148 | pthread_mutex_lock ((MUTEX_TYPE *) *mutex);
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| 149 | #endif
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| 150 |
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| 151 | return CF_OK;
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| 152 | }
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| 153 |
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| 154 | int
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| 155 | CF_Mutex_Unlock (CF_Mutex * mutex)
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| 156 | {
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| 157 | CHECK_INVALID_MUTEX (*mutex);
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| 158 |
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| 159 | #ifdef _WIN32
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| 160 | ReleaseMutex (*mutex);
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| 161 | #else
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| 162 | pthread_mutex_unlock ((MUTEX_TYPE *) *mutex);
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| 163 | #endif
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| 164 |
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| 165 | return CF_OK;
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| 166 | }
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